Some animals can produce a potassium ion concentration inside their cells that is twenty times greater than that of their environment. This ion concentration gradient is maintained by the plasma membrane.
Identify the source of energy used to maintain the concentration gradient. Where does this energy come from?

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

the eggs of the insects should be the first thing collected at the scene.

false

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )

what bodys are there orbiting?